#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

int main(int argc, char **argv)
{

  char a[20], b[20], *s1 = a, *s2 = b;
  gets(s1);
  gets(s2);
  printf(" s1 = %s \n", s1);
  printf(" s2 = %s \n", s2);

  if (!strcmp(s1, s2) == 0)
  {
    printf("*");
  }else{
    printf("#");

  }
  printf(" %d \n",strlen(strcat(s1,s2)));
  printf(" s2 size = %d \n",strlen(s2));
  // printf("%s\n",s1);
  
  return 0;
}